Cooling tower construction



' Aug. 1, 1933. -w. -J. HOFFMANN 7 1,920,642

COOLING TOWER CONSTRUCTION Filed 001;. 18, 1929 2 Sheets-Sheet 1 ezflwamwm Aug. 1, 1933. w. J. HOFFMANN COOLING TOWER CON STRUCTION Filed Oct. 18, 1929 2 Sheets-Sheet 2 Patented Aug. 1, 1933 UNITED; STATES PATENT OFFICE,

1,920,642] I I h COOLING 'rownn ooNs'rnnorion- William Jifloffinann, St. Louis, Mex, a'ss ig nor to Lilie Hoffmaim Cooling Towers, Inc., St. Louis, Mo a Corporation of Missouri I Application Q ctober 18, 1929. seri l No. 400,503 g 8 Claims. (01. 20-415) i This invention relates to cooling towers and more particularly to the construction of the natural draft type of, cooling towers, the primary object of the invention being to provide a tower of a construction in which greater strength and higher efiiciency and a cons of repairs will be a result.

Another object of the invention is to provide a cooling tower of a wooden construction which .is designed in a manner'so as to minimize the number of metallic securing. parts heretofore required.

A further object of the invention is to provide the louvres of a natural draft coolingtype tower Y of a construction that will not warp or buckle.

Other and further objects will appearin the specification and be specifically pointed out in the appended claims, reference being bad to the V accompanying drawings, exemplifying the invention, and in whichv- K Figure 1 is an elevation of a fragmentary portion of a natural draft cooling tower, partly in section and showing this improved construcr tion. g Figure 2 is a horizontal section taken approximately on the line II--II of Fig. 1.

Figure 3 is an enlarged fragmentary vertical section taken approximately on .the line IIIIII rofFig.2. Figure 4 is an enlarged horizontal section taken approximately on the line IVIV of Fig. 3:

Figure 5 is an enlarged vertical section taken approximately on the line VV of Fig. 2. Figure 6 is an enlarged perspective view of one ofthe corner posts used construction.

In the construction of this improved cooling tower, the base or foundation thereof may be proi vided in any desired manner, this instance of showing however being in providing a base of horizontally disposed channel members 1' having mounted thereon the reservoir or collecting trough 2.

Extending upwardly from the base and in the reservoir 2 are a plurality of uprights 3 which are disposed in a manner soas to form a square as shown in Fig. 2 and having a centrally disposed upright 4. The disposing of the uprights 3 in the form of a square as shown in Fig. 2 provides a pair of outer alining rows of uprights 3 and an intermediately disposed row of alining uprights in which the upright 4 is included and securedto each outer disposed row of uprights by bolts 5 are a series of spaced horizontally dis- "posed sills 6 and secured tothe middle row of equent minimumthe posts. 14 which are disposed adjacent rein this improved zontally disposed sills" 8.

The'uprights 3 which form the cornersof the square provided by said uprights are further designated as 3a and in abutmentwith each up right 3@ at its lower end is an outwardly and upwardly inclined corner post 9; said posts being disposed in sets and on'a horizontal plane as shown in Fig; 1 in which each set of four posts will be disposed one above the other. i r Thelower end of each post 9 is provided with a corner shaped notch 10 for seating engagement with a corner of respective uprights 3a, eachpost being held; in its inclined position by arbolt 11 passing through a respective .post at its lower 9 end and its relatable upright and a relatively long bolt .12 which is passed through each ,post adjacent its upper'end and itsrespective upright. Each post 9 on a pair of opposing sides is provided withan angularly disposed groove 13 extending the length thereof. r

Disposed intermediately between each pair of corner posts 9'is an outwardly inclined :post 14,

uprights by bolted Iare aseries of spaced horieach of said posts having a vertically disposed face 15 for abutting engagement with respect tov intermediately disposed uprights 3, each of said posts 14 being secured at their lower ends to .re-' spective uprights by a bolt 16 as shown in Fig. 5,

spective ends of the sills 8 being secured to said sills by respective filler lengths 17 which are engaged between respective adjacent uprights 3 and the upper end of each of'the posts 14, said filler lengths being secured to the sill 8 by bolts 18 and to the posts 14 by bolts 19. The inter mediately'disposed posts 14 which are disposed adjacent respective sills 6, are secured attheir upper ends to'their' relatable uprights 3 by a respective securing length 20 which is bolted to. a relatable upright 3 and to the upper end oi. respective posts 14. I V

Each of the posts 14 on a pair of opposing sides is provided with a longitudinally extendinggroove 21, said posts 14 and the corner posts 9 byr'eason mo of the outward inclination given them having the grooves 21 and 13 on each sideof the tower .in alinement for the reception of the ends of grooved finishing strip 23 mounted thereover,

2. said strips being secured in position by nailing to the upper end of respective posts.

As the corner posts 9 and the intermediately disposed posts 14 are arranged in horizontal planes one above the other, said posts and the intermediately mounted boarding 22 sustained by the grooves of said posts provide louvres 26 for air entrainment to the tower and as towers of this character are for the purpose of cooling liquid such as water descending there througn,

this improved construction is provided for preventing warping or buckling of the louvres.

The corners of each louvre is further supported by securing lengths 24 which are secured to respective uprights 3a and to a boarded siding 22 and by filler lengths 25 which are secured to respective ends of the sills 6 and the siding as shown in Fig. 2.

The horizontally alined set of sills s nd 8 of rectangularly disposed uprights, an outwardly and upwardly diagonally diverging post engaged at its lower end to each upright, each of said posts being grooved on opposing sides, and siding boards supported by said posts in the grooves thereof in abutment with said upright.

3. A cooling tower comprising a series of spaced ,rectangularly disposed corner uprights, an outwardly and upwardly diagonally: diverging post secured to each upright, each of said posts being grooved on opposing sides, and siding boards abutting said uprights and supported at their ends in the grooves'of said posts.

4. A cooling tower comprising spaced ream,

gularly disposed corneruprights, outwardly and upwardly diagonally diverging posts supported fromsaid'uprights each having .a pair of oppos- I ing longitudinal grooves, and side louvre boards having endwise grooved engagement with said posts. l

5. A cooling tower comprising spaced rectangularly disposed corner uprights, outwardly and upwardly diagonally diverging posts each having a pair of 'opposinglongitudinal grooves, each of said posts being secured to a respective upright, the side louvre boards having loose endwise grooved engagement with said posts.

6. A cooling tower comprising spaced rectangularly disposed uprights, an outwardly and upwardly diagonally diverging corner post secured to each corner upright, outwardly and upwardly diverging posts disposed intermediate of said corner posts, each of said posts having a pair of opposing longitudinal grooves, and side louvre boards disposed between each corner post and each intermediate post having endwise grooved engagement therewith.

'7. In a cooling tower construction, a louvre having right angle corners and comprising spacedrectangularly located corner uprights, an outwardly and upwardly diagonally diverging side grooved post, extending from each uprightyand side boards having endwisegrooved engagement with said posts. I s

8; In a cooling tower construction, a louvre having right angle corners and comprising corner uprights, an outwardly and upwardly diagonally diverging post extended from each upright, and

side boards having end engagement, with said posts. 7

I WILLIAM J. HOFFMAN. 

